Finding the Fourth Proportional to 13,089,717.36, 19,628,006.76 and 7,626,577.68
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Solution
The fourth proportional to 13,089,717.36, 19,628,006.76 and 7,626,577.68 is: 11,436,039.00
Step by Step Solution
- Step 1: Write the proportion equation
13,089,717.36 : 19,628,006.76 = 7,626,577.68 : x - Step 2: Convert to fraction form
13,089,717.36/19,628,006.76 = 7,626,577.68/x - Step 3: Cross multiply
13,089,717.36x = 19,628,006.76 × 7,626,577.68 - Step 4: Simplify right side
13,089,717.36x = 149,694,518,258,705.12 - Step 5: Solve for x
x = 149,694,518,258,705.12/13,089,717.36 - Step 6: Final answer
x = 11,436,039.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.